RWV® Butterfly Valve, Lug Style, Series: 938, 4 in Nominal, -30 to 275 deg F, Media: Water, Lever Handle Actuator, 2.05 in Inlet to Outlet Length, Ductile Iron Body, Aluminum Bronze Disc, 416 Stainless Steel (Stem)/Stainless Steel (Taper Pin) Stem & P